CERN Accelerating science

PH-EP Preprints

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2014-04-18
04:29
A search for WW$\gamma$ and WZ$\gamma$ production and constraints on anomalous quartic gauge couplings in pp collisions at $\sqrt{s}$ = 8 TeV / CMS Collaboration
A search for WV$\gamma$ triple vector boson production is presented based on events containing a W boson decaying to a muon or an electron and a neutrino, a second V (W or Z) boson, and a photon. [...]
arXiv:1404.4619 ; CMS-SMP-13-009 ; CERN-PH-EP-2014-046.
- 2014. - 33 p.
Preprint

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2014-04-17
12:24
Muon reconstruction efficiency and momentum resolution of the ATLAS experiment in proton–proton collisions at $\sqrt{s}=7$ TeV in 2010 / ATLAS Collaboration
This paper presents a study of the performance of the muon reconstruction in the analysis of proton--proton collisions at $\sqrt{s}=7$ TeV at the LHC, recorded by the ATLAS detector in 2010. [...]
arXiv:1404.4562 ; CERN-PH-EP-2013-154.
- 2014. - 22 p.
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2014-04-12
11:37
Measurement of jet multiplicity distributions in $t\bar{t}$ production in pp collisions at $\sqrt{s}$ = 7 TeV / CMS Collaboration
The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. [...]
arXiv:1404.3171 ; CMS-TOP-12-018 ; CERN-PH-EP-2014-048.
- 2014. - 41 p.
Additional information for the analysis - CMS AuthorList - Preprint

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2014-04-09
13:28
Search for supersymmetry at $\sqrt{s}=8$ TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector / ATLAS Collaboration
A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons ($e$ or $\mu$) with the same electric charge, or at least three isolated leptons. [...]
arXiv:1404.2500 ; CERN-PH-EP-2014-044.
- 2014. - 35 p.
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2014-04-08
22:59
Measurement of the ratio $B(t \to Wb)/B(t \to Wq)$ in pp collisions at $\sqrt{s}$ = 8 TeV / CMS Collaboration
The ratio of the top-quark branching fractions $R = B(t \to Wb)/B(t \to Wq)$, where the denominator includes the sum over all down-type quarks (q = b, s, d), is measured in the $t\bar{t}$ dilepton final state with proton-proton collision data at $\sqrt{s}$ = 8 TeV from an integrated luminosity of 19.7 inverse-femtobarns, collected with the CMS detector. [...]
arXiv:1404.2292 ; CMS-TOP-12-035 ; CERN-PH-EP-2014-052.
- 2014. - 37 p.
Preprint

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2014-04-08
18:16
Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data / ATLAS Collaboration
The electron reconstruction and identification efficiencies of the ATLAS detector at the LHC have been evaluated using proton-proton collision data collected in 2011 at $\sqrt{s}$ = 7 TeV and corresponding to an integrated luminosity of 4.7 fb$^{-1}$. [...]
arXiv:1404.2240 ; CERN-PH-EP-2014-040.
- 2014. - 38 p.
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2014-04-08
05:05
Observation of the resonant character of the $Z(4430)^-$ state / LHCb collaboration
Resonant structures in $B^0\to\psi'\pi^-K^+$ decays are analyzed by performing a four-dimensional fit of the decay amplitude, using $pp$ collision data corresponding to $\rm 3 fb^{-1}$ collected with the LHCb detector. [...]
arXiv:1404.1903 ; LHCB-PAPER-2014-014 ; CERN-PH-EP-2014-061.
- 2014. - 10 p.
Preprint - Related data file(s) - Related supplementary data file(s)

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2014-04-05
18:49
Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes / CMS Collaboration
A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. [...]
arXiv:1404.1344 ; CMS-HIG-13-030 ; CERN-PH-EP-2014-051.
- 2014. - 51 p.
Preprint

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2014-04-04
11:44
Measurement of the low-mass Drell--Yan differential cross section at √s = 7 TeV using the ATLAS detector / ATLAS Collaboration
The differential cross section for the process $Z/\gamma^*\rightarrow \ell\ell$ ($\ell=e,\mu$) as a function of dilepton invariant mass is measured in $pp$ collisions at $\sqrt{s}=7$ TeV at the LHC using the ATLAS detector. [...]
arXiv:1404.1212 ; CERN-PH-EP-2014-020.
- 2014. - 32 p.
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2014-04-03
20:10
Measurement of the parity-violating asymmetry parameter $\alpha_b$ and the helicity amplitudes for the decay $\Lambda_b^0\to J/\psi\Lambda^0$ with the ATLAS detector / ATLAS Collaboration
A measurement of the parity-violating decay asymmetry parameter, $\alpha_b$, and the helicity amplitudes for the decay $\Lambda_b^0\to J/\psi(\mu^+\mu^-) \Lambda^0 (p\pi^-)$ is reported. [...]
arXiv:1404.1071 ; CERN-PH-EP-2014-034.
- 2014. - 12 p.
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